1398116 has 6 divisors (see below), whose sum is σ = 2446710. Its totient is φ = 699056.

The previous prime is 1398113. The next prime is 1398121. The reversal of 1398116 is 6118931.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 902500 + 495616 = 950^2 + 704^2 .

It is not an unprimeable number, because it can be changed into a prime (1398113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174761 + ... + 174768.

It is an arithmetic number, because the mean of its divisors is an integer number (407785).

2^1398116 is an apocalyptic number.

It is an amenable number.

1398116 is a deficient number, since it is larger than the sum of its proper divisors (1048594).

1398116 is a wasteful number, since it uses less digits than its factorization.

1398116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 349533 (or 349531 counting only the distinct ones).

The product of its digits is 1296, while the sum is 29.

The square root of 1398116 is about 1182.4195532889. The cubic root of 1398116 is about 111.8186904918.

The spelling of 1398116 in words is "one million, three hundred ninety-eight thousand, one hundred sixteen".